X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff7b1510ea7f7855091df83d75a44415dc1cba18..d6538e2c55535a747aec939d0f6659f91bc623d4:/src/gtk1/dcscreen.cpp

diff --git a/src/gtk1/dcscreen.cpp b/src/gtk1/dcscreen.cpp
index a67ecf6720..fa25cfe537 100644
--- a/src/gtk1/dcscreen.cpp
+++ b/src/gtk1/dcscreen.cpp
@@ -2,10 +2,9 @@
 // Name:        dcscreen.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:   	wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -14,7 +13,231 @@
 
 #include "wx/dcscreen.h"
 #include "wx/window.h"
+
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
+//-----------------------------------------------------------------------------
+// global data initialization
+//-----------------------------------------------------------------------------
+
+GdkWindow *wxScreenDC::sm_overlayWindow  = (GdkWindow*) NULL;
+int wxScreenDC::sm_overlayWindowX = 0;
+int wxScreenDC::sm_overlayWindowY = 0;
+
+//-----------------------------------------------------------------------------
+// create X window
+//-----------------------------------------------------------------------------
+
+extern "C" {
+
+#include "gdk/gdk.h"
+#include "gdk/gdkprivate.h"
 #include "gdk/gdkx.h"
+#include <netinet/in.h>
+
+int my_nevent_masks = 17;
+int my_event_masks_table[19] =
+{
+  ExposureMask,
+  PointerMotionMask,
+  PointerMotionHintMask,
+  ButtonMotionMask,
+  Button1MotionMask,
+  Button2MotionMask,
+  Button3MotionMask,
+  ButtonPressMask | OwnerGrabButtonMask,
+  ButtonReleaseMask | OwnerGrabButtonMask,
+  KeyPressMask,
+  KeyReleaseMask,
+  EnterWindowMask,
+  LeaveWindowMask,
+  FocusChangeMask,
+  StructureNotifyMask,
+  PropertyChangeMask,
+  VisibilityChangeMask,
+  0,                                /* PROXIMITY_IN */
+  0                                /* PROXIMTY_OUT */
+};
+
+GdkWindow*
+gdk_window_transparent_new ( GdkWindow     *parent,
+                             GdkWindowAttr *attributes,
+                             gint           attributes_mask)
+{
+  GdkWindow *window;
+  GdkWindowPrivate *gprivate;
+  GdkWindowPrivate *parent_private;
+  GdkVisual *visual;
+  Display *parent_display;
+  Window xparent;
+  Visual *xvisual;
+  XSetWindowAttributes xattributes;
+  long xattributes_mask;
+  XSizeHints size_hints;
+  XWMHints wm_hints;
+  XClassHint *class_hint;
+  int x, y, depth;
+  unsigned int gclass;
+  char *title;
+  int i;
+
+  g_return_val_if_fail (attributes != NULL, NULL);
+
+  if (!parent)
+    parent = (GdkWindow*) &gdk_root_parent;
+
+  parent_private = (GdkWindowPrivate*) parent;
+  if (parent_private->destroyed)
+    return NULL;
+
+  xparent = parent_private->xwindow;
+  parent_display = parent_private->xdisplay;
+
+  gprivate = g_new (GdkWindowPrivate, 1);
+  window = (GdkWindow*) gprivate;
+
+  gprivate->parent = parent;
+
+  if (parent_private != &gdk_root_parent)
+    parent_private->children = g_list_prepend (parent_private->children, window);
+
+  gprivate->xdisplay = parent_display;
+  gprivate->destroyed = FALSE;
+  gprivate->resize_count = 0;
+  gprivate->ref_count = 1;
+  xattributes_mask = 0;
+
+  if (attributes_mask & GDK_WA_X)
+    x = attributes->x;
+  else
+    x = 0;
+
+  if (attributes_mask & GDK_WA_Y)
+    y = attributes->y;
+  else
+    y = 0;
+
+  gprivate->x = x;
+  gprivate->y = y;
+  gprivate->width = (attributes->width > 1) ? (attributes->width) : (1);
+  gprivate->height = (attributes->height > 1) ? (attributes->height) : (1);
+  gprivate->window_type = attributes->window_type;
+  gprivate->extension_events = FALSE;
+
+#if (GTK_MINOR_VERSION == 0)
+  gprivate->dnd_drag_data_type = None;
+  gprivate->dnd_drag_data_typesavail =
+    gprivate->dnd_drop_data_typesavail = NULL;
+  gprivate->dnd_drop_enabled = gprivate->dnd_drag_enabled =
+    gprivate->dnd_drag_accepted = gprivate->dnd_drag_datashow =
+    gprivate->dnd_drop_data_numtypesavail =
+    gprivate->dnd_drag_data_numtypesavail = 0;
+  gprivate->dnd_drag_eventmask = gprivate->dnd_drag_savedeventmask = 0;
+#endif
+
+  gprivate->filters = NULL;
+  gprivate->children = NULL;
+
+  window->user_data = NULL;
+
+  if (attributes_mask & GDK_WA_VISUAL)
+    visual = attributes->visual;
+  else
+    visual = gdk_visual_get_system ();
+  xvisual = ((GdkVisualPrivate*) visual)->xvisual;
+
+  xattributes.event_mask = StructureNotifyMask;
+  for (i = 0; i < my_nevent_masks; i++)
+    {
+      if (attributes->event_mask & (1 << (i + 1)))
+        xattributes.event_mask |= my_event_masks_table[i];
+    }
+
+  if (xattributes.event_mask)
+    xattributes_mask |= CWEventMask;
+
+  if(attributes_mask & GDK_WA_NOREDIR) {
+        xattributes.override_redirect =
+                (attributes->override_redirect == FALSE)?False:True;
+        xattributes_mask |= CWOverrideRedirect;
+  } else
+    xattributes.override_redirect = False;
+
+      gclass = InputOutput;
+      depth = visual->depth;
+
+      if (attributes_mask & GDK_WA_COLORMAP)
+        gprivate->colormap = attributes->colormap;
+      else
+        gprivate->colormap = gdk_colormap_get_system ();
+
+          xattributes.colormap = ((GdkColormapPrivate*) gprivate->colormap)->xcolormap;
+          xattributes_mask |= CWColormap;
+
+          xparent = gdk_root_window;
+
+          xattributes.save_under = True;
+          xattributes.override_redirect = True;
+          xattributes.cursor = None;
+          xattributes_mask |= CWSaveUnder | CWOverrideRedirect;
+
+  gprivate->xwindow = XCreateWindow (gprivate->xdisplay, xparent,
+                                    x, y, gprivate->width, gprivate->height,
+                                    0, depth, gclass, xvisual,
+                                    xattributes_mask, &xattributes);
+  gdk_window_ref (window);
+  gdk_xid_table_insert (&gprivate->xwindow, window);
+
+  if (gprivate->colormap)
+    gdk_colormap_ref (gprivate->colormap);
+
+      XSetWMProtocols (gprivate->xdisplay, gprivate->xwindow, gdk_wm_window_protocols, 2);
+
+  size_hints.flags = PSize;
+  size_hints.width = gprivate->width;
+  size_hints.height = gprivate->height;
+
+  wm_hints.flags = InputHint | StateHint | WindowGroupHint;
+  wm_hints.window_group = gdk_leader_window;
+  wm_hints.input = True;
+  wm_hints.initial_state = NormalState;
+
+  /* FIXME: Is there any point in doing this? Do any WM's pay
+   * attention to PSize, and even if they do, is this the
+   * correct value???
+   */
+  XSetWMNormalHints (gprivate->xdisplay, gprivate->xwindow, &size_hints);
+
+  XSetWMHints (gprivate->xdisplay, gprivate->xwindow, &wm_hints);
+
+  if (attributes_mask & GDK_WA_TITLE)
+    title = attributes->title;
+  else
+#if (GTK_MINOR_VERSION > 0)
+    title = "Unknown"; // GLH: Well I don't know for the moment what to write here.
+#else
+    title = gdk_progname;
+#endif
+
+  XmbSetWMProperties (gprivate->xdisplay, gprivate->xwindow,
+                      title, title,
+                      NULL, 0,
+                      NULL, NULL, NULL);
+
+  if (attributes_mask & GDK_WA_WMCLASS)
+    {
+      class_hint = XAllocClassHint ();
+      class_hint->res_name = attributes->wmclass_name;
+      class_hint->res_class = attributes->wmclass_class;
+      XSetClassHint (gprivate->xdisplay, gprivate->xwindow, class_hint);
+      XFree (class_hint);
+    }
+
+  return window;
+}
+
+} // extern "C"
 
 //-----------------------------------------------------------------------------
 // wxScreenDC
@@ -22,53 +245,59 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
 
-wxScreenDC::wxScreenDC(void)
+wxScreenDC::wxScreenDC()
 {
-  m_ok = FALSE;
-  m_window = NULL;
-  m_cmap = gdk_colormap_get_system();
-  
-  m_window = GDK_ROOT_PARENT();
-  
-  SetUpDC();
-  
-  gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
+    m_ok = FALSE;
+    m_window = (GdkWindow *) NULL;
+    m_cmap = gdk_colormap_get_system();
+
+    if (sm_overlayWindow)
+    {
+        m_window = sm_overlayWindow;
+        m_deviceOriginX = - sm_overlayWindowX;
+        m_deviceOriginY = - sm_overlayWindowY;
+    }
+    else
+    {
+       m_window = GDK_ROOT_PARENT();
+    }
+
+    SetUpDC();
+
+    gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+    gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
+    gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
+    gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
 }
 
-wxScreenDC::~wxScreenDC(void)
+wxScreenDC::~wxScreenDC()
 {
-  EndDrawingOnTop();
+    EndDrawingOnTop();
 }
 
-bool wxScreenDC::StartDrawingOnTop( wxWindow *WXUNUSED(window) )
+bool wxScreenDC::StartDrawingOnTop( wxWindow *window )
 {
-  return TRUE;
-/*
-  if (!window)
-  {
-    StartDrawingOnTop();
-    return;
-  }
-  wxRectangle rect;
-  rect.x = 0;
-  rect.y = 0;
-  window->GetPosition( &rect.x, &rect.y );
-  rect.width = 0;
-  rect.height = 0;
-  window->GetSize( &rect.width, &rect.height );
-  window->ClientToScreen( &rect.x, &rect.y );
-  StartDrawingOnTop( &rect );
-  return TRUE;
-*/
+    if (!window) return StartDrawingOnTop();
+
+    int x = 0;
+    int y = 0;
+    window->GetPosition( &x, &y );
+    int w = 0;
+    int h = 0;
+    window->GetSize( &w, &h );
+    window->ClientToScreen( &x, &y );
+
+    wxRect rect;
+    rect.x = x;
+    rect.y = y;
+    rect.width = 0;
+    rect.height = 0;
+
+    return StartDrawingOnTop( &rect );
 }
 
-bool wxScreenDC::StartDrawingOnTop( wxRectangle *WXUNUSED(rect) )
+bool wxScreenDC::StartDrawingOnTop( wxRect *rect )
 {
-  return TRUE;
-/*
   int x = 0;
   int y = 0;
   int width = gdk_screen_width();
@@ -80,8 +309,9 @@ bool wxScreenDC::StartDrawingOnTop( wxRectangle *WXUNUSED(rect) )
     width = rect->width;
     height = rect->height;
   }
-  
-  GTK cannot set transparent backgrounds. :-(
+
+  sm_overlayWindowX = x;
+  sm_overlayWindowY = y;
 
   GdkWindowAttr attr;
   attr.x = x;
@@ -92,31 +322,23 @@ bool wxScreenDC::StartDrawingOnTop( wxRectangle *WXUNUSED(rect) )
   attr.wclass = GDK_INPUT_OUTPUT;
   attr.event_mask = 0;
   attr.window_type = GDK_WINDOW_TEMP;
-  m_window = gdk_window_new( NULL, &attr, GDK_WA_NOREDIR | GDK_WA_X | GDK_WA_Y );
-  
-  gdk_window_show( m_window );
-
-  m_window = GDK_ROOT_PARENT();
-  
-  SetUpDC();
-  
-  gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
-
-  return TRUE;
-*/
+
+  // GTK cannot set transparent backgrounds. :-(
+  sm_overlayWindow = gdk_window_transparent_new( NULL, &attr, GDK_WA_NOREDIR | GDK_WA_X | GDK_WA_Y );
+
+  if (sm_overlayWindow) gdk_window_show( sm_overlayWindow );
+
+  return (sm_overlayWindow != NULL);
 }
 
-bool wxScreenDC::EndDrawingOnTop(void)
+bool wxScreenDC::EndDrawingOnTop()
 {
-  return TRUE;
-/*
-  if (m_window) gdk_window_destroy( m_window );
-  m_window = NULL;
-  m_isOk = FALSE;
-  return TRUE;
-*/
+    if (sm_overlayWindow) gdk_window_destroy( sm_overlayWindow );
+
+    sm_overlayWindow = NULL;
+    sm_overlayWindowX = 0;
+    sm_overlayWindowY = 0;
+
+    return TRUE;
 }